/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: AliciaZambrano https://cdn.slidesharecdn.com/profile-photo-AliciaZambrano-48x48.jpg?cb=1546589792 Lo que sabemos es una gota de agua, lo que ignoramos es el océano (Isaac Newton).